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Aprilaire 401 Air Filter Performance Upgrade Kit (1413) – 65% More Effective


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  • HIGH-PERFORMANCE UPGRADE — Improved performance for cleaner air from your Aprilaire or Space Gard Model 2400 air cleaner. The kit includes (1) 413 air filter and easy to install frame
  • ELIMINATES 40% MORE DUST — The new 413 filter removes 40% more dust-size particles of 1 micron compared to the older model 401 air filter
  • REMOVES up to 75% MORE VIRUSES — The new 413 filter removes up to 75% more virus-size particles of 0.3 to 1 micron compared to the older model 401 air filter
  • PATENTED SELF-SEAL TECHNOLOGY — Ensures a perfect fit for peak performance and efficiency.
  • EASY TO ASSEMBLE AND INSTALL — Slides directly into your purifier – no more pleat spacers!

Fast and Easy Upgrade for Improved Filter Performance. This kit includes (1413): one new, high-performance 413 filter Genuine Aprilaire filter; and the easy-install system frame: two rails, four uprights, and a door seal. It takes just 30 seconds to snap together. QUICK INSTALL GUIDE: 1)Remove that clunky old filter from your furnace. 2)Slide in the new frame. 3)Slide the new 413 filter onto the rails.

(No more pleat spacers!) This upgraded kit is easy to use and provides better filter performance.

* Contaminates removed based on air passing through the filtering system.

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